10 Best HVAC Companies in Clemson, SC

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Last Updated: February 25, 2025

If you're like the average American, more than half of your energy bill (55%, according to the Department of Energy) goes toward heating and cooling your home. It's important that the cooling and heating systems in your Clemson home are functioning properly, so you can avoid spending more than you need to.

A top HVAC contractor can get your system into its best shape ever, saving you money while keeping your home comfortable. That's why we've assembled this guide to the top HVAC companies in Clemson.

Top 10 Best HVAC Companies in Clemson

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Authorized Heating & Air Conditioning

Authorized Heating & Air Conditioning Logo

Our Rating

User Rating

142 Old Mill Rd, Greenville, SC 29607 (864) 416-4013 authorizedheatingandair.com

Clear pricing policy

Reliable customer support

Free quotes

Informative resources

Prompt service delivery

Services Offered

Ventilation
Furnace repair
Inspection
Ac repair
Emergency services
Ductless
Maintenance
Furnace installation
Ac installation
Filtration
Indoor air quality

Call Dad

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Our Rating

User Rating

36 Rosscraggon Rd Suite G, Asheville, NC 28803 (828) 974-8502 calldad.com

Informative resources

Reliable customer support

Free quotes

Prompt service delivery

Clear pricing policy

Services Offered

Ventilation
Ductless
Furnace installation
Emergency services
Ac installation
Ac repair
Indoor air quality
Furnace repair
Inspection
Maintenance
Filtration

Mike's Heating and Cooling

Mike's Heating and Cooling Logo

Our Rating

User Rating

329 Dogwood Rd, Candler, NC 28715 (828) 665-4343 mikesheatingandcooling.com

Free quotes

Services Offered

Ductless
Maintenance
Filtration
Smart home integration
Boiler installation
Furnace installation
Ac installation
Zoning systems
Duct cleaning
Indoor air quality
Furnace repair
Emergency services
Ac repair
Boiler repair
Ventilation

One Hour Heating & Air Conditioning

One Hour Heating & Air Conditioning Logo

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User Rating

4 Custom Mill Ct, Greenville, SC 29609 (864) 303-1451 onehourheatandair.com

Prompt service delivery

Informative resources

Clear pricing policy

Free quotes

Reliable customer support

Services Offered

Furnace repair
Ac repair
Emergency services
Filtration
Maintenance
Ventilation
Indoor air quality
Furnace installation
Ac installation

RadLee Heating and Cooling

RadLee Heating and Cooling Logo

Our Rating

User Rating

95 Golden Hills Dr, Mountain City, GA 30562 (706) 703-4883 radleehc.com

Free quotes

Clear pricing policy

Informative resources

Services Offered

Ventilation
Maintenance
Emergency services
Smart home integration
Furnace installation
Ac installation
Ac repair
Inspection
Ductless
Furnace repair
Indoor air quality

FoxFire Heating & Cooling

FoxFire Heating & Cooling Logo

Our Rating

User Rating

791 Ulco Dr, Franklin, NC 28734 (828) 524-2821 foxfireheating.com

Reliable customer support

Clear pricing policy

Free quotes

Informative resources

Services Offered

Indoor air quality
Filtration
Ac installation
Furnace repair
Ac repair
Maintenance
Ductless
Duct cleaning
Furnace installation

All About Heat & Air

All About Heat & Air Logo

Our Rating

User Rating

5521 Old Haywood Rd Ste 3, Mills River, NC 28759 (828) 348-6704 allaboutplumbingnc.com

Reliable customer support

Free quotes

Clear pricing policy

Informative resources

Services Offered

Furnace repair
Ac installation
Emergency services
Indoor air quality
Ventilation
Ductless
Furnace installation
Inspection
Maintenance
Filtration

Childers Heating & Air Conditioning

Childers Heating & Air Conditioning Logo

Our Rating

User Rating

405 S Pine St Suite C, Spartanburg, SC 29302 (864) 302-6640 childersheatingandairconditioning.com

Informative resources

Reliable customer support

Free quotes

Clear pricing policy

Services Offered

Ac installation
Ductless
Furnace repair
Furnace installation
Duct cleaning
Indoor air quality
Emergency services
Filtration
Maintenance
Ac repair

Five Star Plumbing Heating Cooling

Five Star Plumbing Heating Cooling Logo

Our Rating

User Rating

1246 Boiling Springs Rd, Spartanburg, SC 29303 (864) 306-4898 fivestartoday.com

Free quotes

Informative resources

Clear pricing policy

Reliable customer support

Services Offered

Filtration
Ductless
Furnace installation
Furnace repair
Inspection
Emergency services
Indoor air quality
Ac repair
Maintenance
Ac installation

YAZ Service Heating and Cooling LLC

YAZ Service Heating and Cooling LLC Logo

Our Rating

User Rating

841 Deepwood Ct, Boiling Springs, SC 29316 (864) 753-7780 yazservice.com

Clear pricing policy

Free quotes

Reliable customer support

Prompt service delivery

Services Offered

Ac repair
Boiler installation
Ductless
Maintenance
Indoor air quality
Duct cleaning
Ac installation
Furnace installation
Furnace repair
Emergency services
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your HVAC system is faulty or getting near the end of its lifespan, it likely needs servicing or replacement from an HVAC company. Watch for these signs your system needs service:

  • Temperature control issues or thermostat malfunctions
  • Uneven heating/cooling or poor air circulation
  • Higher than normal energy bills
  • Corrosion, rust, or cracking
  • Frequent breakdowns and need for repairs
  • Odd noises when the system turns on
  • Refrigerant leaks
  • An HVAC system that's over 15 years old

If you notice any of these HVAC issues, we recommend having a technician inspect your system. A local professional can identify problems and decide whether repairing or getting a new HVAC unit is the best solution.

Cost of HVAC Installation and Maintenance in Clemson

What you spend on HVAC installation or maintenance depends on your system style. Common HVAC unit styles include the following:

  • Split or mini-split: Homes without ductwork for central air often have split or mini-split HVAC systems. These systems consist of indoor units in each room to regulate temperature. These indoor units connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system performs similarly to a standard split system, but is able to utilize either electricity or gas for power.
  • Heat pump: Heat pumps move hot and cold air between your home and the outdoors. They don't create their own heating and cooling, so they work more effectively in more moderate climates and may not be as effective during Clemson's hot summers.
  • Packaged heating and air: Packaged HVAC systems work best in smaller houses. They consist of a single combined heating and air conditioning unit, usually located in a basement or attic. This unit is typically space-saving, energy-efficient, and straightforward to maintain.

HVAC maintenance prices vary based on the specific services required. HVAC systems can be complicated and potentially require a number of services. Price ranges for typical jobs are as follows:

HVAC Unit TypeCost
Split$1,741-$4,439
Hybrid Split$3,529-$6,501
Heat Pump$2,732-$27,841
Packaged Heating and Air$229-$381

Ways to Save Money on HVAC Costs

It's important to take care of HVAC repairs and replacements in a timely manner, but it can also be expensive. Thankfully, there are steps you can take to reduce wear and tear on your HVAC.

  • Change filters regularly. Changing or cleaning your air filters every 30–90 days helps air flow smoothly through your HVAC system. We also recommend regularly clearing dirt and debris away from the outside areas of your system.
  • Change the position of your blinds seasonally. Opening your blinds in winter allows passive solar heat into your house. Closing your blinds in summer blocks some heat from getting indoors. Both of these measures help lower the work required from your home’s HVAC system.
  • Monitor for potential problems. Monitoring your system for issues — for example, by checking your thermostat and energy bills regularly — helps you get ahead of problems before they get too expensive.
  • Keep your system clean. Regularly cleaning ductwork, grills, indoor evaporator coil, and condenser fan blades helps keep your HVAC system running efficiently and reduces the risk of mold. The National Air Duct Cleaners Association recommends cleaning your system when it starts to look dirty.
ServiceCost
Filter Replacement$57-$152
Condensor Cleaning$1,143-$3,430
Thermostat Repair$76-$191
Ductwork Cleaning$366-$915

How To Choose a Local HVAC Company

Knowing what to look for in an HVAC company is crucial for a successful project. Look for an experienced, licensed contractor that can offer you peace of mind and ensure your system provides reliable heating and air conditioning for your home.

Compare Multiple Bids

Contact at least three HVAC companies for quotes. Explain the issues and have specialists visit to inspect your system if possible. Compare the providers' explanations, solutions, estimated costs, warranties, and timeframes. Avoid companies that pressure you or demand payment upfront.

Check Credentials

Look for an HVAC company that employs qualified technicians who have the necessary training and licenses. HVAC contractors in all states need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for all contractors who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." Contractors must pass an exam (the type of exam depends on what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled on a state-by-state basis.

HVAC contractors in South Carolina are required to be licensed as mechanical contractors via the South Carolina Department of Labor, Licensing and Regulation Contractor's Licensing Board. This license can have multiple specialities, such as Electrical, Refrigeration, Air Conditioning, Heating, or Plumbing, depending on what's needed for a specific project. Contractors must have one year of work experience and pass an exam to be licensed. Individual cities or counties may have additional requirements. Also check a company's reviews and complaints on sites such as the Better Business Bureau (BBB), Yelp, and Google Reviews. Pick a company with great feedback and stories of satisfied customers.

Understand Work Details

It’s important to know what the work process will look like. For HVAC repairs, the company should list the exact parts that need replacement and why. Get confirmation that your technician will clean and test your system afterward to guarantee everything is working correctly. When replacing your HVAC, have the contractor explain the new estimated installation time, model, brand, energy efficiency, and features. Before signing a contract, be sure you understand the process your provider will use to size the new HVAC system appropriately for your home and what the price will be.

Compare Warranties

Reliable HVAC companies offer warranties on service and equipment installations. The more complete the coverage, the better. Compare warranty details between companies and pick the one that offers the most comprehensive protection for a fair price.

Get Quote in Writing

Always get quotes for HVAC service in writing before committing to a provider. A comprehensive quote should cover both materials and labor. Make sure you agree to all terms before signing a contract.

Frequently Asked Questions About HVAC in Clemson, SC

You should have your HVAC system inspected about twice annually. At the time of the inspection, your technician will tell you if any services are required. You should also schedule an inspection if you notice new issues such as unusual smells, leaks, or strange noises. If your system has ductwork, it should be inspected every few years.

Generally, it's smart to schedule inspections in the spring and fall, as technicians tend to be less busy at these times. This also helps get your system ready for the summer and winter, when it typically sees the most use.

You can save energy during the summer by making it easier for your HVAC system to keep your home cool. Set your thermostat as close to the outside temperature as is comfortable, and try to avoid making drastic changes in temperature all at once. Keep your roof in good shape and seal any door or window leaks to avoid letting cool air escape. Similarly, make sure your attic is well ventilated to avoid trapping excess heat in your home.

Generally, whole-system HVAC installation or replacement takes one to three days. Installing or replacing an air conditioning unit or a furnace can take as little as half a day or as much as two days. The exact amount of time will be based on factors like the size of your home, how easily accessible different areas are, and whether your technician discovers any problems.

For a 2,000-square-foot home, try to purchase a furnace that's between 50,000 and 80,000 BTUs (British thermal units). In Clemson, you may be able to make do with a furnace on the lower end of this range.

For a 2,000-square-foot home, you'll also want an air conditioning unit with around 2.5 to 5 tons of capacity. In Clemson, you'll likely need a unit on the higher end of this range. In general, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.

There are a number of ways you can make your HVAC system more energy-efficient:

  • Make sure your air ducts remain clean, and change or clean your air filters regularly.
  • Have regular inspections to take care of problems as they come up.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you aren't able to purchase one, try to keep the temperature indoors as close to the outside temperature as is comfortable.
  • When replacing part of your HVAC system, explore Energy Star-certified or other environmentally friendly options.

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